Base | Representation |
---|---|
bin | 1100001010011… |
… | …10001101001101 |
3 | 21002222202212120 |
4 | 12011032031031 |
5 | 202110012310 |
6 | 14042523153 |
7 | 2346154662 |
oct | 605161515 |
9 | 232882776 |
10 | 102032205 |
11 | 5265a340 |
12 | 2a2064b9 |
13 | 181a57b2 |
14 | d79da69 |
15 | 8e56b70 |
hex | 614e34d |
102032205 has 16 divisors (see below), whose sum is σ = 178092864. Its totient is φ = 49470080.
The previous prime is 102032171. The next prime is 102032219. The reversal of 102032205 is 502230201.
It is not a de Polignac number, because 102032205 - 28 = 102031949 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309024 + ... + 309353.
It is an arithmetic number, because the mean of its divisors is an integer number (11130804).
Almost surely, 2102032205 is an apocalyptic number.
102032205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102032205 is a deficient number, since it is larger than the sum of its proper divisors (76060659).
102032205 is a wasteful number, since it uses less digits than its factorization.
102032205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 618396.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 102032205 is about 10101.0991976121. The cubic root of 102032205 is about 467.2820416306.
Adding to 102032205 its reverse (502230201), we get a palindrome (604262406).
The spelling of 102032205 in words is "one hundred two million, thirty-two thousand, two hundred five".
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